Problem 955. ismember: Enhanced Time Performance for 'rows' - Speed Scoring (90% savings)

The Challenge is to perform very fast the 'ismember' function for a long and wide array.

The data is small integer representing data permutations of items like DNA and Rubik's cube faces and orientations.

Input: Array of uint8 of dimensions (m, 16) with values 0:3

Output: Array Equivalent to ismember(A,B,'rows')

Hints:

1) Columns can be merged to form a reduced number of columns 2) Unique has the option to provide an Array and a sorting Index

Solution Stats

80.77% Correct | 19.23% Incorrect
Last Solution submitted on Oct 08, 2023

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers16

Suggested Problems

More from this Author294

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!